What Causes Brown Stains On Vinyl Siding

This article discusses common causes of stains or discoloration found on vinyl building siding.

What causes brown stains on vinyl siding.

A major cause of vinyl discoloration is the oxidation of the chemicals in the vinyl over time due to exposure to sunlight and acid rain. I have black spots all over my vinyl siding thousands of them about the size of a ballpoint pen tip. Vinyl siding requires care to keep it looking its best. When water runs through the wood and wall sheathing it picks up tannins in the wood and leaves dark stains on the.

It seems they are only on the siding above my mulch beds. It needs to be properly cleaned and stains removed to keep it from looking dirty and dingy. This article series catalogs the different types of stains or discolorations found on building exterior surfaces. They are even as high up as my gutters.

They are hard and when you pick them off they leave a small brown stain. That much is for certain. I thought it was bird droppings at first so i power washed it off. If you have new vinyl siding that s still shiny and you know that the spores haven t been stuck on for more than a few days you might be able to power wash them off.

Fast forward a week later and the stains have reappeared in the same spot. Over time and through repeated changes in weather vinyl siding will attract and develop mold or mildew spots especially in north facing and other shaded areas. Walls roof trim walks. The vinyl siding institute yes there really is such an organization offers some helpful and specific tips for dealing with stubborn moldy spots on your siding.

Vinyl siding may appear maintenance free but if you are the proud owner of a home with siding you have already learned that it simply isn t so. The spores dotting your house may not fit in with your redecorating plans but they won t cause any structural damage or grow there. One of vinyl s drawbacks is that it is susceptible to ugly stains and discolorations. Building exterior walls siding trim algae or mold stain cause diagnosis cure.

This article describes algae or mold stains on wood vinyl and other building exterior surfaces explaining the common cause as well as methods of cleaning and prevention. This can potentially create a dull and chalky appearance. Vinyl siding stain diagnosis. Distinguishing the type of stain found on siding is useful in deciding on the cause and thus the cure or prevention of staining.

Homecraft inc proud provider of premium vinyl siding from top manufacturers mastic and provia explains below the top causes of stains and discolorations on vinyl siding as well as what you can do to remedy them. They just won t let go.